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Infiniti QX56 (JA60). Manual - part 44

BCM (BODY CONTROL MODULE)

ADP-167

< ECU DIAGNOSIS >

ADP

DTC Inspection Priority Chart

INFOID:0000000005370317

If some DTCs are displayed at the same time, perform inspections one by one based on the following priority

chart.

DTC Index

INFOID:0000000005370318

NOTE:

Details of time display

• CRNT: Displays when there is a malfunction now or after returning to the normal condition until turning igni-

tion switch OFF

→ ON again.

• 1 - 39: Displayed if any previous malfunction is present when current condition is normal. It increases like 1

→ 2 → 3...38 → 39 after returning to the normal condition whenever ignition switch OFF → ON. The counter

remains at 39 even if the number of cycles exceeds it. It is counted from 1 again when turning ignition switch

OFF

→ ON after returning to the normal condition if the malfunction is detected again.

Display contents of CONSULT

Fail-safe

Cancellation

U1000: CAN COMM CIRCUIT

Inhibit engine cranking

When the BCM re-establishes communication with the other mod-
ules.

Priority

DTC

• U1000: CAN COMM CIRCUIT

• B2190: NATS ANTENNA AMP
• B2191: DIFFERENCE OF KEY
• B2192: ID DISCORD BCM-ECM
• B2193: CHAIN OF BCM-ECM
• B2013: STRG COMM 1
• B2552: INTELLIGENT KEY
• B2590: NATS MALFUNCTION

• C1729: VHCL SPEED SIG ERR
• C1735: IGNITION SIGNAL

• C1708: [NO DATA] FL
• C1709: [NO DATA] FR
• C1710: [NO DATA] RR
• C1711: [NO DATA] RL
• C1712: [CHECKSUM ERR] FL
• C1713: [CHECKSUM ERR] FR
• C1714: [CHECKSUM ERR] RR
• C1715: [CHECKSUM ERR] RL
• C1716: [PRESSDATA ERR] FL
• C1717: [PRESSDATA ERR] FR
• C1718: [PRESSDATA ERR] RR
• C1719: [PRESSDATA ERR] RL
• C1720: [CODE ERR] FL
• C1721: [CODE ERR] FR
• C1722: [CODE ERR] RR
• C1723: [CODE ERR] RL
• C1724: [BATT VOLT LOW] FL
• C1725: [BATT VOLT LOW] FR
• C1726: [BATT VOLT LOW] RR
• C1727: [BATT VOLT LOW] RL

CONSULT display

Fail-safe

Intelligent Key

warning lamp ON

Tire pressure

monitor warning

lamp ON

Reference page

No DTC is detected.
further testing
may be required.

—

U1000: CAN COMM CIRCUIT

—

BCS-32

B2190: NATS ANTENNA AMP

—

SEC-31

ADP-168

< ECU DIAGNOSIS >

BCM (BODY CONTROL MODULE)

B2191: DIFFERENCE OF KEY

—

SEC-34

B2192: ID DISCORD BCM-ECM

—

SEC-35

B2193: CHAIN OF BCM-ECM

—

SEC-37

B2552: INTELLIGENT KEY

—

SEC-39

B2590: NATS MALFUNCTION

—

SEC-40

C1708: [NO DATA] FL

—

WT-14

C1709: [NO DATA] FR

—

WT-14

C1710: [NO DATA] RR

—

WT-14

C1711: [NO DATA] RL

—

WT-14

C1712: [CHECKSUM ERR] FL

—

WT-16

C1713: [CHECKSUM ERR] FR

—

WT-16

C1714: [CHECKSUM ERR] RR

—

WT-16

C1715: [CHECKSUM ERR] RL

—

WT-16

C1716: [PRESSDATA ERR] FL

—

WT-18

C1717: [PRESSDATA ERR] FR

—

WT-18

C1718: [PRESSDATA ERR] RR

—

WT-18

C1719: [PRESSDATA ERR] RL

—

WT-18

C1720: [CODE ERR] FL

—

WT-16

C1721: [CODE ERR] FR

—

WT-16

C1722: [CODE ERR] RR

—

WT-16

C1723: [CODE ERR] RL

—

WT-16

C1724: [BATT VOLT LOW] FL

—

WT-16

C1725: [BATT VOLT LOW] FR

—

WT-16

C1726: [BATT VOLT LOW] RR

—

WT-16

C1727: [BATT VOLT LOW] RL

—

WT-16

C1729: VHCL SPEED SIG ERR

—

WT-19

C1735: IGNITION SIGNAL

—

WT-20

CONSULT display

Fail-safe

Intelligent Key

warning lamp ON

Tire pressure

monitor warning

lamp ON

Reference page

ADP SYSTEM SYMPTOMS

ADP-169

< SYMPTOM DIAGNOSIS >

ADP

SYMPTOM DIAGNOSIS

ADP SYSTEM SYMPTOMS

Symptom Table

INFOID:0000000005147586

NOTE:

Always perform the “Basic Inspection” before performing diagnosis in the following table. Refer to

ADP-5,

"Work Flow"

SYMPTOM 1

SYMPTOM 2

SYMPTOM 3

Symptom

Diagnosis procedure

Reference

page

Manual functions (for specific part) do
not operate

Sliding operation

Check sliding switch.

ADP-50

Reclining operation

Check reclining switch.

ADP-53

Lifting operation (front)

Check lifting switch (front).

ADP-56

Lifting operation (rear)

Check lifting switch (rear).

ADP-59

Pedal operation

1. Check pedal adjusting switch.

ADP-65

2. Check pedal adjusting sensor.

ADP-91

Steering wheel tilt operation

Check ADP steering switch

ADP-62

Door mirror operation

1. Changeover switch.

ADP-70

2. Mirror switch

ADP-72

All parts of seat

Check power seat switch ground cir-
cuit.

ADP-76

Symptom

Diagnosis procedure

Reference

page

Memory functions (for specific part) do
not operate

Sliding operation

Check sliding sensor.

ADP-81

Reclining operation

Check reclining sensor.

ADP-83

Lifting operation (front)

Check lifting sensor (front).

ADP-85

Lifting operation (rear)

Check lifting sensor (rear).

ADP-87

Pedal operation

Check pedal adjusting sensor.

ADP-91

Steering wheel tilt operation

Check tilt sensor

ADP-89

Door mirror operation

Check door mirror sensor.

Driver side:

ADP-93

Passenger

side:

ADP-95

Symptom

Diagnosis procedure

Reference

page

Memory functions and manual func-
tions (for specific part) do not operate

Sliding operation

Check sliding motor.

ADP-97

Reclining operation

Check reclining motor.

ADP-99

Lifting operation (front)

Check lifting motor (front).

ADP-101

Lifting operation (rear)

Check lifting motor (rear).

ADP-103

Pedal operation

Check pedal adjusting motor.

ADP-107

Steering wheel operation

Check tilt motor

ADP-105

Door mirror operation

Check door mirror motor.

ADP-109

ADP-170

< SYMPTOM DIAGNOSIS >

ADP SYSTEM SYMPTOMS

SYMPTOM 4

SYMPTOM 5

SYMPTOM 6

Symptom

Diagnosis procedure

Reference

page

Entry/Exit assist function does not operate.

1. Check system setting.

ADP-22

2. Perform initialization.

ADP-24

3. Check front door switch (driver side).

ADP-79

Symptom

Diagnosis procedure

Reference

page

Memory indicators 1 and/or 2 do not illuminate.

1. Check seat memory switch.

ADP-68

2. Check seat memory indicator.

ADP-112

Symptom

Diagnosis procedure

Reference

page

Memory operation does not operate.

Check A/T shift selector (park position switch).

ADP-77

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